Senior Lead Engineer - IT (Super Niche)

Job Description: Job Title: Tech Lead C# / .NET & React Developer – Full Stack Experience Required: 8-10 Years Location: [Hybrid / Onsite] Type: Full-Time Role Summary: We are seeking an accomplished Lead C# / .NET Core & React Full Stack Developer with strong expertise in microservices architecture, distributed systems, and modern front-end frameworks React. This role focused on building scalable, high-performance backend & frontend systems and enabling a cross-functional team to deliver robust full-stack solutions. The ideal candidate is highly skilled in C# language features, .NET Core runtime capabilities, and containerized microservices, with strong experience in cloud-native development, DevOps, and code quality enforcement along with the frontend development in React & NextJS . He should Own production stability, support escalated issues, and guide root cause analysis and resolution. Key Responsibilities Backend Development – C# & .NET Core - Architect and develop headless, service-oriented applications using C# and .NET Core . - Design distributed microservices, Background Services, and Worker Services. - Expertise on backend services with async programming & Memory management - Build domain-centric business logic with Clean Architecture. - Use SOLID principles, Design pattern and Command patterns for loosely coupled code. - Preferred to have experience with event-driven workflows using message queues like (RabbitMQ, Azure Service Bus, Kafka). - Create reusable SDK, Libraries for internal services consumption. - Experience resolving code smells, vulnerabilities, and application security flaws. Data & Persistence Layer - Use Entity Framework Core and/or Dapper to implement efficient, secure data access strategies. - Work with SQL Server, PostgreSQL, or NoSQL solutions like MongoDB or Redis. - Optimize database performance with indexing, query tuning, and connection pooling. Testing & Observability - Write unit test cases for better test coverage . - Working experience with Splunk (logging), AppDynamics, JSON/XML, Caching, Performance Analysis & Profiling, Cloud, DevOps, and CI/CD - Containerize services using Docker and deploy to Kubernetes or Azure Container Apps. - Design and maintain CI/CD pipelines with Azure DevOps, GitHub Actions, or GitLab. - Good to have experience on IaC tools (Terraform, Bicep, ARM) to provision infrastructure. - Experience with source code repositories tools, Bitbucket, GitHub. Front-End Experience with React - Hands-on knowledge and experience with developing enterprise-level web applications with a strong focus on ReactJS - Understanding of NextJS ,Node.js development and debugging tools - Experience with CDD based UI development. - Knowledge of JavaScript, CSS, HTML, and jQuery - Experience consuming REST APIs using Fetch, Axios, etc. and asynchronous data handling - Integrate with backend APIs using token-based auth (JWT/OAuth2). - Implement state management via NgRx, Redux, or Context API. - Experience with both CSR & SSR - Experience with maintaining web vitals . Leadership & Managerial Responsibilities - Lead technical design discussions, define service boundaries, and maintain architecture documentation. - Review code for quality, performance, and maintainability; enforce best practices across teams. - Mentor team members on C#/.NET Core, system design, and debugging complex distributed systems. - Participate in sprint planning, backlog grooming, and agile ceremonies. - Collaborate with product managers, QA, DevOps, and stakeholders to ensure timely and high-quality delivery. - Must have experience with the leading the team of 4-5 team members. Required Skills & Experience - 5-10 years of software development experience, with at least 3-4+ years focused on microservices in C# and .NET Core. - Deep understanding of C# language internals, memory management, async/await, parallelism, and diagnostics. - Experience building microservices and APIs. - Hands-on with Docker, Kubernetes, cloud-native development (Azure, AWS). - Expertise in unit testing, mocking frameworks, and observability tools. Preferred Qualifications - Experience in event-driven architectures, distributed transactions. - Familiarity with gRPC and API versioning strategies. - Experience working in regulated or high-security industries (e.g., finance, healthcare). Location: This position can be based in any of the following locations: Chennai Current Guardian Colleagues: Please apply through the internal Jobs Hub in Workday